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7339885 |
Method and apparatus for customizable surveillance of network interfaces
A method in a data processing system for monitoring for errors on a network. Responsive to detecting a change in a state of the network, determine whether the change in state is a loss of a...
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7336602 |
Apparatus and method for wireless/wired communications interface
An apparatus and method for wireless/wired Bluetooth™ communications interface are described. The method includes detection of a communications configuration of a device as one of a wireless...
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7333438 |
Priority and policy based recovery in connection-oriented communication networks
A recovery method for use in a connection-oriented network having nodes interconnected by links for establishing connections within the network, the method described enables the recovery of...
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7330423 |
High-speed digital subscriber line (HDSL) packet abort retry during channel blocking
An apparatus and method is described that allows for improved transmission of EOC data over the EOC channels of communication devices and links, reducing the number of dropped EOC packets and...
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7327691 |
System and method for satellite-based transmission of voice signals using an otherwise dedicated wireless channel
In a wireless communication system ( 20 ) configured for default communication of subsectional signals of a first transmit signal ( 72/73 ) over multiple wireless channels ( 46 ), a signal selector...
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7328240 |
Distributed multipoint conferencing
Facilitating a distributed multipoint conference using, for example, the ITU-T H.323 protocol may involve establishing a connection (e.g., that supports a unicast stream) between multiple...
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7324438 |
Technique for nondisruptively recovering from a processor failure in a multi-processor flow device
A technique non-disruptively recovers from a processor failure in a multi-processor flow device, such as an intermediate network node of a computer network. Data relating to a particular data flow...
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7324819 |
Communication terminal, and communication computer program product
A communication terminal has an acquiring unit configured to acquire information related to a strength of a radio wave received, a selecting unit configured to select a data communication route...
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7321981 |
Multi-port line card redundancy technique for an intermediate network node
A multi-port line card redundancy technique automatically reconfigures ports on line cards of an intermediate network node, such as an aggregation router, in the event of a failure to one of the...
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7321551 |
Propagation of a plurality of copies of an internet protocol packet
An apparatus in one example comprises a router for one or more packets that comprise an Internet Protocol (“IP”) packet. The router comprises one or more packet replication components that...
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7319661 |
High availability communication for wireless networks
During an exchange of communications between a client and a server, the state of communications is monitored to determine if the client has lost communication with the server prior to completion of...
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7320084 |
Management of error conditions in high-availability mass-storage-device shelves by storage-shelf routers
Embodiments of the present invention include a storage-shelf-router-to-disk-drive interconnection method within a high-availability storage shelf amenable to dynamic reorganization in order to...
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7319662 |
Virtual line switched ring
At least one protection line is shared among SONET rings. Identification and availability information of the shared protection line is distributed among the switches of the SONET rings using K-byte...
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7317923 |
Radio access network system, radio communication method, control server and data server
The object of the present invention is to provide a radio access network system for properly distributing loads and functions of the control plane function and a user plane function of a control...
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7315509 |
Method for recovering from a received data error in a mobile communication system providing a multimedia broadcast/multicast service
A method for enabling a user equipment (UE) to recover from a multimedia broadcast/multicast service (MBMS) data error in a mobile communication system. The mobile communication system includes a...
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7302177 |
Optical transmission system including a plurality of optical transmission devices
Two multiplexing/demultiplexing sections of working and protection sides are prepared for each of a plurality of optical transmission devices which constitute a system, and the optical transmission...
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7298693 |
Reverse notification tree for data networks
Recovery time upon the failure of a link or switching system in an asynchronous data network can be minimized if downstream data switches provide upstream messages indicating to upstream switching...
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7298753 |
Technique for managing heavy signaling traffic that is directed to a particular signaling control unit
A method is described that involves sending a positive imposter response as a consequence of a status request message having been received. The status request message refers to a network...
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7295510 |
Method of estimating restoration capacity in a network
A method for estimating restoration capacity for a communication network includes a specified number of restoration paths, which can be maximally diverse from each other.
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7289428 |
Inter-working mesh telecommunications networks
A communication system ( 5 ) comprises a first network ( 10 ) including a source ( 11 ) arranged to transmit data and a second network ( 30 ) including a destination ( 31 ) arranged to receive the...
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7289449 |
Device and method for managing fault detection and fault isolation in voice and data networks
The present invention provides a device and method for managing fault detection and isolation in voice and data networks. Specifically, the present invention is a device and method for fault...
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7287193 |
Methods, systems, and media to correlate errors associated with a cluster
Methods, systems, and media for correlating error events of a cluster are disclosed. Embodiments may identify systems of a cluster potentially impacted by an error and identify one or more error...
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7286467 |
Failure protection for packet telephony
The present invention provides a fail-over architecture for packet telephony applications. A media gateway is configured to have at least two interfaces, each of which is associated with a...
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7283462 |
Multiple bundle identification for calculation of a network protect path
Consistent with a feature of the present invention, protection and working routes are determined by assigning administrative weight values to each route in a network. The administrative weight...
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7283484 |
Network segmentation method
A method includes obtaining first information indicative of instability of a data communication network. The method also includes isolating a first portion of a network from a second portion of the...
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7283739 |
Multiple subnets in an optical ring network and method
An optical network includes an optical ring and at least three subnets. Each subnet includes a plurality of add/drop nodes coupled to the optical ring. The add/drop nodes are operable to passively...
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7283463 |
Non-disruptive reconfiguration of a publish/subscribe system
A publish/subscribe system is non-disruptively reconfigured, such that messages are not lost during the reconfiguration. After reconfiguration is initiated, messages that are to be delivered within...
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7283499 |
Simplified practical rank and mechanism, and associated method, to adapt MIMO modulation in a multi-carrier system with feedback
A method of adapting transmission parameters in a multicarrier communication system having multiple transmit antennas and/or multiple receive antennas, whereby a statistical parameter of a wideband...
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7283740 |
Optical ring network with optical subnets and method
An optical network includes a plurality of subnets. The subnets each include a plurality of add/drop nodes coupled to the optical ring and operable to passively add and drop traffic to and from the...
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7277442 |
Ethernet-to-ATM interworking that conserves VLAN assignments
Interworking of first and second networks ( 12, 14 ) is accomplished by an interworking facility ( 30 ) that serves to map the destination address in first frames received from the first network...
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7272674 |
System and method for storage device active path coordination among hosts
Systems, methods, apparatus and software can make use of persistent reservation commands to establish the port of a shared device that is to be used as an active port by one or more host computer...
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7269465 |
Control system for controlling safety-critical processes
There is provided a control system for controlling safety-critical processes that includes a fieldbus, a bus master for controlling a communication via the fieldbus, at least one signal unit for...
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7269128 |
System and method for proactive scheduling of system maintenance
A system for planning maintenance activities in a communication network is provided. The system comprises a query execution module, an out of sync record generator module, and a network maintenance...
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7246172 |
Static dense multicast path and bandwidth management
Improved algorithms are provided for performing path management for a plurality of select data transmission sessions in a multicast network. The algorithms include: constructing a weighted graph...
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7245945 |
Portable computing device adapted to update display information while in a low power mode
Briefly, in accordance with one embodiment of the invention, a portable computing device that has a processor, a direct memory access (DMA) engine, and a display controller may transfer data with...
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7242860 |
Optical protection switching using 2 by 2 switching functions
A network is protected against interruption of service while one or more faulty switches or optical fiber transmission lines are repaired or replaced, by an interconnecting configuration of small...
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7242664 |
Hybrid protection using mesh restoration and 1:1 protection
A method, architecture and service of providing a multiple tiered pricing structure for providing a first service level to priority traffic where the priority traffic is protected via a 1:1...
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7239605 |
Item and method for performing a cluster topology self-healing process in a distributed data system cluster
A cluster topology self-healing process is performed in order to replicate a data set stored on a failed node from a first node storing another copy of the data set to a second non-failed node. The...
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7231503 |
Reconfiguring logical settings in a storage system
A storage system having multiple I/O interface ports is configured to detect a failed communication condition at a port. The storage system is configured to then attempt communication using a port...
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7230912 |
Sampling to a next hop
Samples from an addressed data forwarding devices, such as a router, are forwarded to a specified next hop address and/or out a specified next hop interface. However, the sampling and/or next hop...
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7230913 |
MPLS fast reroute without full mesh traffic engineering
Fast Reroute capability is added to an IP network to guarantee fast recovery to IP traffic in case of link or node failure without the need to deploy a full mesh of MPLS Traffic Engineering Label...
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7231543 |
Systems and methods for fault-tolerant processing with processor regrouping based on connectivity conditions
Each processor in a distributed multi-processor environment maintains a set of connectivity condition scores. The connectivity condition scores are then passed to a pruning process with tie-breaker...
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7224667 |
Process for keeping and/or restoring communication links in a planned network with mobile components
A process for keeping and/or restoring communications within a network with planned resources, the network includes stations arranged in at least one group, wherein each group is composed of at...
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7218605 |
Temporary halting method in router and network
A router for routing a frame includes a temporary-halt-start-informing unit for transmitting a temporary-halt-start notification message indicating a start of a temporary halt of the router to...
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7209434 |
Path modifying method, label switching node and administrative node in label transfer network
In a label transfer network, an ingress node positioned at an upstream side end of a partial section of a first data transfer path (old path) transmits a path modify request, and an egress node...
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7206280 |
Method and apparatus for asynchronous incremental redundancy reception in a communication system
An ARQ method using Incremental Redundancy that can be used in either synchronous or asynchronous communication systems. Information received by receiving equipment contains a one-bit NEW/CONTINUE...
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7203159 |
Line card-sourced ESF framing protection switch FDL signaling
A back-up channel line card-installed ESF framing mechanism independently sources an FDL signaling channel for the transport of protection switch signaling information, taking advantage of the fact...
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7203751 |
Mobile communication device and method
A mobile communication device which selects one of a plurality of radio transmitting/receiving devices different at least in data communication speed from one another in accordance with the type of...
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7200105 |
Systems and methods for point of ingress traceback of a network attack
An apparatus ( 520 ) for archiving signatures associated with packets received at a node in a network includes a first memory ( 620 ), a second memory ( 625 ), a signature tap ( 610 ), a...
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7200654 |
Method of constructing and managing overlay multicast tree on Internet
Disclosed herein is a method of constructing and managing an overlay multicast tree on the Internet. The overlay multicast tree includes a sender, one or more receivers and one or more agents for...
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